Patent US149262A successfully refreshed from Google Patents.
Patent US3256221A successfully refreshed from Google Patents.
US3256221A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Powdered polyvinyl ester admixtures with glyoxal
Assignee: Monsanto Co
•
Filing: 1961-06-15
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Granted: 1966-06-14
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Expires: 1981-06-15
Abstract
No abstract record available.
Inventors
- 👤 James A Cooper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:49
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/07; C08L; C08L31/00; C08L31/02; C08L31/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
A WATER REDISPERSIBLE ADMIXTURE COMPRISING A RECONSTITUTABLE DRY POLYVINYL ACETATE EMULSION POWDER CONTAINING INTERSPERSED THEREIN A HYDROPHILIC COLLOID, AND 5 TO 20% DRY GLYOXAL BY WEIGHT OF THE EMULSION POWDER.
Claim 2
Dependent Claim
30 words
A WATER REDISPERSIBLE ADMIXTURE COMPRISING A RECONSTITUTABLE DRY POLYVINYL ACETATE EMULSION POWDER CONTAINING INTERSPERSED THEREIN A HYDROPHILIC COLLOID, AND 5 TO 20% DRY GLYOXAL BY WEIGHT OF THE EMULSION POWDER.
References Cited (Backward Citations)
US2733995A
Cited
US2510257A
Cited
US2500144A
Cited
US2800463A
Cited
US2809945A
Cited
US3104234A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-13 | 1969-12-13 | 1970-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-13 | 1973-12-13 | 1974-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-13 | 1977-12-13 | 1978-06-14 | $7700.00 | Window Closed / Lapsed |